#pragma once
#include <iostream>
#include <fstream>
#include <boost/algorithm/string.hpp>
#include "cppjieba/Jieba.hpp"
#include "log.hpp"

namespace Util
{
    class FileUtil
    {
    public:
        static bool ReadFile(const std::string& file, std::string* output)
        {
            std::ifstream ifs(file, std::ios::in);
            if(!ifs.is_open())
            {
                LOG(DEBUG, "open file failed");
                return false;
            }
            std::string line;
            while(std::getline(ifs, line))
            {
                *output += line;
            }
            ifs.close();

            return true;
        }
    };

    class StringUtil
    {
    public:
        static void Split(const std::string& input, std::vector<std::string>* results, const std::string& sep)
        {
            split(*results, input, boost::is_any_of(sep), boost::token_compress_on);
        } 
    };

    const char* const DICT_PATH = "./dict/jieba.dict.utf8";
    const char* const HMM_PATH = "./dict/hmm_model.utf8";
    const char* const USER_DICT_PATH = "../dict/user.dict.utf8";
    const char* const IDF_PATH = "./dict/idf.utf8";
    const char* const STOP_WORD_PATH = "./dict/stop_words.utf8";
    class CutUtil
    {
    private:
        static cppjieba::Jieba jieba;
    public:
        static void CutString(const std::string& src, std::vector<std::string>* result)
        {
            jieba.CutForSearch(src, *result);
        }
    };
    cppjieba::Jieba CutUtil::jieba(DICT_PATH, HMM_PATH, USER_DICT_PATH, IDF_PATH, STOP_WORD_PATH);
}